Some force is produced which acts against gravitation and balances it when the bird maintains its level in the air, or more than balances it when the bird rises in the air. The necessary force is produced by burning the sugar in its muscles; in...
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Category: Air Science
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How Birds Defy Gravity: Understanding Flight in Heavier-Than-Air Creatures.
Is Breathing Night Air Bad for You? Here’s What Science Says
There is general belief that night air is dangerous for us to breathe but this is absolutely wrong. As a matter of fact, night air is purer than day air because it contains less carbon dioxide with fewer fires and furnaces and less traffic.
Does the Air ever get used up?
The air is constantly being used. All living creatures breathe in the oxygen. The nitrogen of the air is being used by certain microbes and also by men with the help of electricity. The green plants use the Carbonic acid of the air, upon which...
What makes the fields white with mist at night in the hot weather?
The hotter the air is, the more water vapour it can hold. If the air is made very hot by the sun in the daytime, and if there is such water near, with little wind, then the air, as the day goes on, comes to...
Why does the Air not stop the light of the sun?
The air does stop a great deal of the light of the Sun. The air is a blanket, and prevents the passage of light and heat to a great extent, whether from outside space to the Earth or from the Earth to outside space. If...
Does everything in the Air move with the Earth?
Certainly, the air goes round with the Earth, as the seas do, and everything that is swimming in it.
